CN220129952U - Multi-gear auxiliary brake control device - Google Patents
Multi-gear auxiliary brake control device Download PDFInfo
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- CN220129952U CN220129952U CN202321023254.6U CN202321023254U CN220129952U CN 220129952 U CN220129952 U CN 220129952U CN 202321023254 U CN202321023254 U CN 202321023254U CN 220129952 U CN220129952 U CN 220129952U
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- braking
- gear
- auxiliary brake
- motor
- brake control
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- 238000011084 recovery Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses a multi-gear auxiliary braking control device, relates to the field of new energy commercial vehicles, and solves the problems that the braking requirements of different slopes and different loading conditions cannot be met by adopting one auxiliary braking gear in the prior art; the multi-gear auxiliary brake control switch is connected with the whole vehicle controller, the whole vehicle controller is connected with the motor controller, and the motor controller is connected with the motor; the whole vehicle controller determines braking power according to the accessed braking control switch signal; the multi-gear auxiliary brake control switch is composed of at least two auxiliary brake switches with more than two gears. The novel braking energy recovery device can adapt to braking requirements under the working conditions of different slopes and different loads, furthest recovers braking energy and improves the driving range of the new energy commercial vehicle.
Description
Technical Field
The utility model relates to the field of new energy commercial vehicles, in particular to a multi-gear auxiliary braking control device.
Background
The new energy commercial vehicle adopts the driving motor feedback brake to realize vehicle braking energy recovery, and is an effective method for increasing the driving range of the new energy commercial vehicle. The motor feedback brake is used as the auxiliary brake of the new energy commercial vehicle, so that an auxiliary brake mode of the vehicle under the continuous downhill working condition is realized, the endurance mileage of the new energy commercial vehicle can be improved, the abrasion of the mechanical brake of the new energy commercial vehicle can be reduced, and the safety of the vehicle can be improved.
At present, the auxiliary braking of domestic new energy commercial vehicles is mostly realized by adopting motor feedback braking, and the control mode of the feedback braking is to install an auxiliary braking switch on a cab panel, when the vehicle descends, a driver operates the auxiliary braking switch, and the motor carries out feedback braking according to a fixed braking power or a fixed braking torque to feed braking electric energy back to a power battery.
Because the auxiliary braking of one gear in the prior art can only control one fixed braking power or braking torque, the braking requirements of the new energy commercial vehicle under the working conditions of different slopes and different loads can not be met.
Aiming at the problem that the auxiliary braking of one gear cannot meet the braking requirements under different ramp and different load conditions, the utility model provides the multi-gear auxiliary braking control device.
Disclosure of Invention
The utility model provides a multi-gear auxiliary brake control device, which aims to solve the problems that one auxiliary brake gear can not meet the brake requirements under different ramp and different load conditions in the prior art.
The multi-gear auxiliary braking control device consists of a multi-gear auxiliary braking control switch, a whole vehicle controller, a motor and a controller,
the multi-gear auxiliary brake control switch is connected with the whole vehicle controller, the whole vehicle controller is connected with the motor controller, and the motor controller is connected with the motor; the whole vehicle controller determines braking power according to the accessed braking control switch signal;
the multi-gear auxiliary brake control switch is composed of at least two auxiliary brake switches with more than two gears.
Further, the multi-gear auxiliary brake control switch selects a combination switch on the steering wheel.
Further, the braking power corresponding to auxiliary braking of the gear 1 is more than or equal to 50% of the rated power of the motor is more than or equal to 25% of the rated power of the motor.
Further, the rated power of the motor is 150 percent or more, and the braking power corresponding to the highest-grade auxiliary braking is more than or equal to the rated power of the motor.
In the technical scheme, the electric glove box structure of the instrument panel has the following beneficial effects:
(1) The braking system can meet braking requirements under working conditions of different slopes and different loads, furthest recover braking energy and improve the driving range of the new energy commercial vehicle.
(2) The requirements of drivers on different auxiliary braking powers are met, and the comfort of braking of the whole vehicle is improved.
(3) The abrasion of mechanical braking of the vehicle is reduced, and the safety of the vehicle is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural view of a multi-gear auxiliary brake control device according to the present utility model.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The multi-gear auxiliary brake control device according to the present embodiment will be described with reference to fig. 1, and is composed of a multi-gear auxiliary brake control switch, a Vehicle Control Unit (VCU), a motor, a controller, and the like, and auxiliary brake powers corresponding to the different auxiliary brake switches are different. The multi-gear auxiliary brake control switch is connected with the whole vehicle controller, the whole vehicle controller is connected with the motor controller, and the motor controller is connected with the motor; the whole vehicle controller determines braking power according to the accessed braking control switch signal;
when the new energy commercial vehicle works under the working conditions of different slopes and different loads, a driver selects an auxiliary brake switch matched with the brake power according to the actual conditions of the vehicle running working conditions, the vehicle speed and the like, so that the auxiliary brake power requirements under different working conditions are met, and the brake energy is recovered to the maximum extent. The method comprises the following steps:
(1) And installing auxiliary brake switches with more than 2 gears according to the actual requirements of the operation working conditions of the new energy commercial vehicle. The auxiliary brake switch is a combination switch on the steering wheel.
(2) The multi-gear auxiliary brake switch signal is connected to the VCU.
(3) The VCU determines braking power according to the accessed braking switch signal, wherein the braking power corresponding to the auxiliary braking of the 1 st gear is minimum, and the corresponding braking power is sequentially increased along with the increase of the auxiliary braking gear.
(4) The rated power of the motor is 50 percent or more, and the braking power corresponding to the auxiliary braking of the 1 gear is 25 percent or more.
The rated power of the motor is 150 percent or more, and the braking power corresponding to the highest-grade auxiliary braking is more than or equal to the rated power of the motor.
(5) For the new energy commercial vehicle running in the area with less ramp and smaller ramp, a 3-gear auxiliary braking device is adopted, and the 1-3-gear braking power is respectively 50%, 75% and 100% of the rated power of the main driving motor.
(6) For the new energy commercial vehicle running in the areas with more slopes and larger slopes, a 5-gear auxiliary braking device is adopted, and 1-5-gear braking power is respectively 50%, 75%, 100%, 115% and 130% of rated power of a main driving motor.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (4)
1. The multi-gear auxiliary braking control device is characterized in that: the control device consists of a multi-gear auxiliary brake control switch, a whole vehicle controller, a motor and a controller;
the multi-gear auxiliary brake control switch is connected with the whole vehicle controller, the whole vehicle controller is connected with the motor controller, and the motor controller is connected with the motor; the whole vehicle controller determines braking power according to the accessed braking control switch signal;
the multi-gear auxiliary brake control switch is composed of at least two auxiliary brake switches with more than two gears.
2. The multi-speed auxiliary brake control device according to claim 1, characterized in that: the multi-gear auxiliary brake control switch selects a combination switch on the steering wheel.
3. The multi-speed auxiliary brake control device according to claim 1, characterized in that: the rated power of the motor is 50 percent or more, and the braking power corresponding to the auxiliary braking of the 1 gear is 25 percent or more.
4. The multi-speed auxiliary brake control device according to claim 1, characterized in that: the rated power of the motor is 150 percent or more, and the braking power corresponding to the highest-grade auxiliary braking is more than or equal to the rated power of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321023254.6U CN220129952U (en) | 2023-05-04 | 2023-05-04 | Multi-gear auxiliary brake control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321023254.6U CN220129952U (en) | 2023-05-04 | 2023-05-04 | Multi-gear auxiliary brake control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220129952U true CN220129952U (en) | 2023-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321023254.6U Active CN220129952U (en) | 2023-05-04 | 2023-05-04 | Multi-gear auxiliary brake control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220129952U (en) |
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2023
- 2023-05-04 CN CN202321023254.6U patent/CN220129952U/en active Active
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